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Finding the Fourth Proportional to 295,175.80, 441,779.55 and 259,746.40

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Solution

The fourth proportional to 295,175.80, 441,779.55 and 259,746.40 is: 388,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,175.80 : 441,779.55 = 259,746.40 : x
  2. Step 2: Convert to fraction form
    295,175.80/441,779.55 = 259,746.40/x
  3. Step 3: Cross multiply
    295,175.80x = 441,779.55 × 259,746.40
  4. Step 4: Simplify right side
    295,175.80x = 114,750,647,706.12
  5. Step 5: Solve for x
    x = 114,750,647,706.12/295,175.80
  6. Step 6: Final answer
    x = 388,753.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.